Connectivity issues between Cohesity C5016 Nodes and Nexus 93180YC-FX3H Switches Very recently, I was deploying a new Cohesity C5016 appliance with 25Gb NICs, connecting up to a pair of Nexus 93180YC-FX3H switches. When using the 9K's in a VPC pair, my personal preference is to configure the Cohesity nodes with LACP to …

Cisco recently patched two critical vulnerabilities in their firewall products, discovered after probable nation-state actors targeted them in a campaign dubbed "Arcane Door". These zero-day vulnerabilities, found in devices running ASA and FTD software, were exploited to implant malware and possibly steal data. Cisco …

Posting this more as a note to myself as a reminder and to also read the release notes a bit more carefully! After recently going thru an upgrade of the Firepower Management Center from 7.0.x to 7.2 FMCv, specifically on the Nutanix AHV platform I ran into a bug where the VM would not boot after the upgrade. While the …

Cisco seems to be having a rough go of it lately with bugs that have a time bomb for certain hardware and software. Following up on the Signal Component issues – that plagued a large number of product lines (And in Cisco’s defense affected more than just Cisco – other vendors are affetected). I’m still waiting to find …

Back in November 2015 I wrote a post about FEX Topologies with the Cisco Nexus platforms, and at the time the Nexus 5K/6K line was the only model that would support the active/active FEX topology (FEX-AA), which was unfortunate in designing redundant connectivity for downstream devices. But with the release of NX-OS …

What a week we’ve had, and really I mean Yesterday! Finally home after a 3rd straight week in NY doing some fun installs for one of our partners. Being home in SC in the summer always feels good. Like being in an oven good. We started off the morning with the announcement from Nutanix and Cisco that Nutanix now runs on …